Cartridge valve assembly

Details Cartridge valve assembly Cartridge valve assembly

1988-10-04

1989-12-26

Rivell, John

Fluid handling

Removable valve head and seat unit

Threaded into valve casing

137550, 251304, F16K 504, F16K 518

Patent

active

048891576

ABSTRACT:
A top cartridge for an individual, sanitary, dual-control, shut-off valve is provided. The cartridge includes an upper stationary and a lower rotatable disk, each disk including port apertures. The disks are arranged with a defined clearance in the longitudinal direction of a driver pin. A driver is welded to the pin and includes a finger which engages the rotatable disk. The upper end of the pin is pressed within a spindle. The spindle is positioned within a bushing to prevent calcination and corrosion thereof. A seal is provided near the bottom end of the pin between the driver and the rotatable disk.

REFERENCES:
patent: 3561729 (1971-02-01), Politz
patent: 3810602 (1974-05-01), Parkinson
patent: 3834416 (1974-10-01), Parkison
patent: 4105043 (1978-08-01), Nicolayczik
patent: 4331176 (1982-05-01), Parkison
patent: 4765365 (1988-08-01), Roland

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